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<document ID-DOI="http://dx.doi.org/10.3897/zookeys.889.34690" ID-GBIF-Dataset="216a8fbe-cedc-4fe1-987d-7452ab79fd41" ID-PMC="PMC6872600" ID-Pensoft-Pub="1313-2970-889-65" ID-Pensoft-UUID="BEF7727B024D5F9E853BAFBC13AF20E8" ID-PubMed="31777438" ID-ZooBank="690B0BA9120945FEB2B1863815F0B2A4" ModsDocID="1313-2970-889-65" checkinTime="1574358902396" checkinUser="pensoft" docAuthor="Jia, Fenglong, Chen, Jia-Hui &amp; Fikacek, Martin" docDate="2019" docId="A92F1DE7881F5172A6016400C4C47E75" docLanguage="en" docName="ZooKeys 889: 65-80" docOrigin="ZooKeys 889" docSource="http://dx.doi.org/10.3897/zookeys.889.34690" docTitle="Laccobius (Cyclolaccobius) motuoensis Jia, Chen &amp; Fikacek, 2019, sp. nov." docType="treatment" docUuid="1D637BE4-2A99-4400-8386-9B6B25C87EE3" docUuidSource="ZooBank" docVersion="5" id="BEF7727B024D5F9E853BAFBC13AF20E8" lastPageNumber="65" masterDocId="BEF7727B024D5F9E853BAFBC13AF20E8" masterDocTitle="A new species of Laccobius Erichson, 1837 (Hydrophilidae, Coleoptera) from the Chinese Himalaya, with comments on taxonomic status of subgenera Glyptolaccobius Gentili, 1989 and Cyclolaccobius Gentili, 1991 and additional faunistic records from China" masterLastPageNumber="80" masterPageNumber="65" pageNumber="65" updateTime="1668168065148" updateUser="ExternalLinkService">
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo>
<mods:title>A new species of Laccobius Erichson, 1837 (Hydrophilidae, Coleoptera) from the Chinese Himalaya, with comments on taxonomic status of subgenera Glyptolaccobius Gentili, 1989 and Cyclolaccobius Gentili, 1991 and additional faunistic records from China</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Jia, Fenglong</mods:namePart>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Chen, Jia-Hui</mods:namePart>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Fikacek, Martin</mods:namePart>
</mods:name>
<mods:typeOfResource>text</mods:typeOfResource>
<mods:relatedItem type="host">
<mods:titleInfo>
<mods:title>ZooKeys</mods:title>
</mods:titleInfo>
<mods:part>
<mods:date>2019</mods:date>
<mods:detail type="volume">
<mods:number>889</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>65</mods:start>
<mods:end>80</mods:end>
</mods:extent>
</mods:part>
</mods:relatedItem>
<mods:location>
<mods:url>http://dx.doi.org/10.3897/zookeys.889.34690</mods:url>
</mods:location>
<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://dx.doi.org/10.3897/zookeys.889.34690</mods:identifier>
<mods:identifier type="Pensoft-Pub">1313-2970-889-65</mods:identifier>
<mods:identifier type="ZooBank">690B0BA9120945FEB2B1863815F0B2A4</mods:identifier>
<mods:identifier type="Pensoft-UUID">BEF7727B024D5F9E853BAFBC13AF20E8</mods:identifier>
</mods:mods>
<treatment ID-GBIF-Taxon="160511509" LSID="urn:lsid:zoobank.org:act:1D637BE4-2A99-4400-8386-9B6B25C87EE3" httpUri="http://treatment.plazi.org/id/A92F1DE7881F5172A6016400C4C47E75" lastPageNumber="65" pageId="0" pageNumber="65">
<subSubSection pageId="0" pageNumber="65" type="nomenclature">
<paragraph pageId="0" pageNumber="65">
<taxonomicName LSID="A92F1DE7-881F-5172-A601-6400C4C47E75" class="Insecta" family="Hydrophilidae" genus="Laccobius" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Laccobius (Cyclolaccobius) motuoensis" order="Coleoptera" pageId="0" pageNumber="65" phylum="Arthropoda" rank="species" species="motuoensis" subGenus="Cyclolaccobius">Laccobius (Cyclolaccobius) motuoensis</taxonomicName>
<taxonomicNameLabel pageId="0" pageNumber="65">sp. nov.</taxonomicNameLabel>
<figureCitation captionStart="Figures 1–6" captionStartId="F1" captionText="Figures 1 - 6. Laccobius (Glyptolaccobius) motuoensis sp. nov. 1, 2 habitus (1 dorsal view 2 lateral view) 3, 4 base of the elytron (3 specimen with yellow spot 4 specimen without yellow spot) 5, 6 male genitalia (5 dorsal view 6 lateral view)." figureDoi="10.3897/zookeys.889.34690.figures1-6" httpUri="https://binary.pensoft.net/fig/356445" pageId="0" pageNumber="65" tableDoi="10.3897/zookeys.889.34690.figures1-6">Figs 1-6</figureCitation>
,
<figureCitation captionStart="Figures 7–16" captionStartId="F2" captionText="Figures 7 - 16. Laccobius (Glyptolaccobius) motuoensis sp. nov. 7 head, ventral view 8 compound eye in lateral view 9 antenna 10 ventral view of thorax 11 punctures on elytral base 12 abdomen 13 mesothoracic leg 14 prothoracic leg 15 male protarsus 16 metathoracic leg." figureDoi="10.3897/zookeys.889.34690.figures7-16" httpUri="https://binary.pensoft.net/fig/356446" pageId="0" pageNumber="65" tableDoi="10.3897/zookeys.889.34690.figures7-16">7-16</figureCitation>
,
<figureCitation captionStart="Figures 17–22" captionStartId="F3" captionText="Figures 17 - 22. Male genitalia of the species similar to Laccobius motuoensis sp. nov. 17 - 19 L. sipeki Gentili &amp; Fikacek, holotype (17 ventral 18 lateral 19 ventral) 20 - 22 L. yunnanensis Gentili, specimen from China: Yunnan: Rehai Hot springs (coll. NMPC) 20 detail of the apical half of medial lobe 21 ventral view 22 lateral view." figureDoi="10.3897/zookeys.889.34690.figures17-22" httpUri="https://binary.pensoft.net/fig/356447" pageId="0" pageNumber="65" tableDoi="10.3897/zookeys.889.34690.figures17-22">17-22</figureCitation>
,
<figureCitation captionStart="Figures 23–25" captionStartId="F4" captionText="Figures 23 - 25. Habitats of Laccobius motuoensis sp. nov. Xizang: near road of Motuo to Bomi, Wudang waterfall." figureDoi="10.3897/zookeys.889.34690.figures23-25" httpUri="https://binary.pensoft.net/fig/356448" pageId="0" pageNumber="65" tableDoi="10.3897/zookeys.889.34690.figures23-25">23-25</figureCitation>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="65" type="type locality">
<paragraph pageId="0" pageNumber="65">Type locality.</paragraph>
<paragraph pageId="0" pageNumber="65">
China, Xizang, Linzhi Prefecture, Motuo County, Lagong,
<geoCoordinate degrees="29" direction="north" minutes="18" orientation="latitude" precision="15" seconds="50" value="29.313889">29°18'50&quot;N</geoCoordinate>
,
<geoCoordinate degrees="95" direction="east" minutes="19" orientation="longitude" precision="15" seconds="07" value="95.31861">95°19'07&quot;E</geoCoordinate>
.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="65" type="type material">
<paragraph pageId="0" pageNumber="65">Type material.</paragraph>
<paragraph pageId="0" pageNumber="65">
<emphasis bold="true" italics="true" pageId="0" pageNumber="65">Holotype</emphasis>
: ♂ (SYSU): China, Xizang, Linzhi Prefecture, Motuo County, Lagong (中国,
<normalizedToken originalValue="西藏">西藏</normalizedToken>
,
<normalizedToken originalValue="林芝">林芝</normalizedToken>
,
<normalizedToken originalValue="墨脱县">墨脱县</normalizedToken>
,
<normalizedToken originalValue="拉贡">拉贡</normalizedToken>
),
<geoCoordinate degrees="29" direction="north" minutes="18" orientation="latitude" precision="15" seconds="50" value="29.313889">29°18'50&quot;N</geoCoordinate>
,
<geoCoordinate degrees="95" direction="east" minutes="19" orientation="longitude" precision="15" seconds="07" value="95.31861">95°19'07&quot;E</geoCoordinate>
, 1271 m. 22.vi. 2018, Shi-shuai Wang &amp; Zu-long Liang let. (transcribed from Chinese).
<emphasis bold="true" italics="true" pageId="0" pageNumber="65">Paratypes</emphasis>
(47 spec.): 39 spec. (SYSU, NMPC): same label data as the holotype; 8 spec. (SYSU): China, Xizang: near road of Motuo to Bomi, Wudang waterfall, 18.viii.2018, Run Zhou.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="65" type="diagnosis">
<paragraph pageId="0" pageNumber="65">Diagnosis.</paragraph>
<paragraph pageId="0" pageNumber="65">Length 1.9-2.2 mm. Dorsal surface dark brown or black with broad lateral yellow band on pronotum and elytra, posterior half of elytra yellowish. Head and pronotum without shagreen on interstices. Head without pale preocular spots. Antenna with seven antennomeres, the third antennomere very small, globular. Elytra often with a pair of yellow spots on the base of third primary series of punctures. Elytra without sulci, with 10 primary series of punctures; primary series of punctures strong and coarse, secondary ones consisting of smaller and more scarcely arranged punctures, punctures with short yellow setae. Aedeagus: total length 0.45 mm; median lobe as long as parameres, broad basally, narrowest medially, subapically with a series of backward directed setae; parameres subrectangular apically, almost as wide as medial lobe at apex.</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="65" type="description">
<paragraph pageId="0" pageNumber="65">Description.</paragraph>
<paragraph pageId="0" pageNumber="65">
Total length 1.9-2.2 mm (holotype: 2.15 mm); maximum width 1.35-1.45 mm (holotype: 1.4 mm). Total length / total width ratio = 1.5. Body oval, moderately convex, maximum width at anterior third of elytra (
<figureCitation captionStart="Figures 1–6" captionStartId="F1" captionText="Figures 1 - 6. Laccobius (Glyptolaccobius) motuoensis sp. nov. 1, 2 habitus (1 dorsal view 2 lateral view) 3, 4 base of the elytron (3 specimen with yellow spot 4 specimen without yellow spot) 5, 6 male genitalia (5 dorsal view 6 lateral view)." figureDoi="10.3897/zookeys.889.34690.figures1-6" httpUri="https://binary.pensoft.net/fig/356445" pageId="0" pageNumber="65" tableDoi="10.3897/zookeys.889.34690.figures1-6">Fig. 1</figureCitation>
).
</paragraph>
<paragraph pageId="0" pageNumber="65">
<emphasis bold="true" italics="true" pageId="0" pageNumber="65">Head.</emphasis>
Black with greenish reflection, without preocular spots, smooth. Labrum about 2.7
<normalizedToken originalValue="×">x</normalizedToken>
as wide as long, without specula in both sexes, feebly emarginated on anterior margin, surface densely punctured (
<figureCitation captionStart="Figures 7–16" captionStartId="F2" captionText="Figures 7 - 16. Laccobius (Glyptolaccobius) motuoensis sp. nov. 7 head, ventral view 8 compound eye in lateral view 9 antenna 10 ventral view of thorax 11 punctures on elytral base 12 abdomen 13 mesothoracic leg 14 prothoracic leg 15 male protarsus 16 metathoracic leg." figureDoi="10.3897/zookeys.889.34690.figures7-16" httpUri="https://binary.pensoft.net/fig/356446" pageId="0" pageNumber="65" tableDoi="10.3897/zookeys.889.34690.figures7-16">Fig. 7</figureCitation>
). Clypeus and frons blackish, surface with irregularly arranged punctures, punctures sparse and less impressed than on labrum, each puncture with decumbent white seta on disc, punctures in anterior corner of clypeus as dense as on labrum. Frontoclypeal suture scarcely apparent. Eyes oblong, oblique (
<figureCitation captionStart="Figures 7–16" captionStartId="F2" captionText="Figures 7 - 16. Laccobius (Glyptolaccobius) motuoensis sp. nov. 7 head, ventral view 8 compound eye in lateral view 9 antenna 10 ventral view of thorax 11 punctures on elytral base 12 abdomen 13 mesothoracic leg 14 prothoracic leg 15 male protarsus 16 metathoracic leg." figureDoi="10.3897/zookeys.889.34690.figures7-16" httpUri="https://binary.pensoft.net/fig/356446" pageId="0" pageNumber="65" tableDoi="10.3897/zookeys.889.34690.figures7-16">Fig. 8</figureCitation>
), closest to each other posteriorly, slightly protruding laterally, minimum interocular distance in dorsal view 2.7
<normalizedToken originalValue="×">x</normalizedToken>
the width of one eye. Mentum with mesh-like microsculpture anteriorly and laterally (
<figureCitation captionStart="Figures 7–16" captionStartId="F2" captionText="Figures 7 - 16. Laccobius (Glyptolaccobius) motuoensis sp. nov. 7 head, ventral view 8 compound eye in lateral view 9 antenna 10 ventral view of thorax 11 punctures on elytral base 12 abdomen 13 mesothoracic leg 14 prothoracic leg 15 male protarsus 16 metathoracic leg." figureDoi="10.3897/zookeys.889.34690.figures7-16" httpUri="https://binary.pensoft.net/fig/356446" pageId="0" pageNumber="65" tableDoi="10.3897/zookeys.889.34690.figures7-16">Fig. 7</figureCitation>
), without punctures, but smooth and with a few punctures in posterior half; submentum smooth with sparse punctures. Maxillary palpi (
<figureCitation captionStart="Figures 7–16" captionStartId="F2" captionText="Figures 7 - 16. Laccobius (Glyptolaccobius) motuoensis sp. nov. 7 head, ventral view 8 compound eye in lateral view 9 antenna 10 ventral view of thorax 11 punctures on elytral base 12 abdomen 13 mesothoracic leg 14 prothoracic leg 15 male protarsus 16 metathoracic leg." figureDoi="10.3897/zookeys.889.34690.figures7-16" httpUri="https://binary.pensoft.net/fig/356446" pageId="0" pageNumber="65" tableDoi="10.3897/zookeys.889.34690.figures7-16">Fig. 14</figureCitation>
) yellowish, not becoming dark at extreme apex; palpomere 2 almost same length as palpomere 3, palpomere 4 asymmetrical, inner margin straight and outer margin convex, ca. 1.5
<normalizedToken originalValue="×">x</normalizedToken>
as long as palpomere 3. Apical labial palpomere asymmetrical with straight inner face and convex outer face (
<figureCitation captionStart="Figures 7–16" captionStartId="F2" captionText="Figures 7 - 16. Laccobius (Glyptolaccobius) motuoensis sp. nov. 7 head, ventral view 8 compound eye in lateral view 9 antenna 10 ventral view of thorax 11 punctures on elytral base 12 abdomen 13 mesothoracic leg 14 prothoracic leg 15 male protarsus 16 metathoracic leg." figureDoi="10.3897/zookeys.889.34690.figures7-16" httpUri="https://binary.pensoft.net/fig/356446" pageId="0" pageNumber="65" tableDoi="10.3897/zookeys.889.34690.figures7-16">Fig. 7</figureCitation>
), about as long as penultimate one. Antennae with 7 antennomeres (
<figureCitation captionStart="Figures 7–16" captionStartId="F2" captionText="Figures 7 - 16. Laccobius (Glyptolaccobius) motuoensis sp. nov. 7 head, ventral view 8 compound eye in lateral view 9 antenna 10 ventral view of thorax 11 punctures on elytral base 12 abdomen 13 mesothoracic leg 14 prothoracic leg 15 male protarsus 16 metathoracic leg." figureDoi="10.3897/zookeys.889.34690.figures7-16" httpUri="https://binary.pensoft.net/fig/356446" pageId="0" pageNumber="65" tableDoi="10.3897/zookeys.889.34690.figures7-16">Fig. 9</figureCitation>
), yellow brown with antennal club of the same color; scape ca. 2.2
<normalizedToken originalValue="×">x</normalizedToken>
as long as pedicel, antennomere 3 very small, globular, cupule globular and asymmetrical; antennomeres 5-7 with densely arranged setae, antennomere 7 constricted near apex.
</paragraph>
<caption doi="10.3897/zookeys.889.34690.figures1-6" httpUri="https://binary.pensoft.net/fig/356445" pageId="0" pageNumber="65" start="Figures 1–6" startId="F1">
<paragraph pageId="0" pageNumber="65">
<emphasis bold="true" pageId="0" pageNumber="65">Figures 1-6.</emphasis>
<taxonomicName class="Insecta" family="Hydrophilidae" genus="Laccobius" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Laccobius (Glyptolaccobius) motuoensis" order="Coleoptera" pageId="0" pageNumber="65" phylum="Arthropoda" rank="species" species="motuoensis" subGenus="Glyptolaccobius">Laccobius (Glyptolaccobius) motuoensis</taxonomicName>
sp. nov.
<emphasis bold="true" pageId="0" pageNumber="65">1, 2</emphasis>
habitus (
<emphasis bold="true" pageId="0" pageNumber="65">1</emphasis>
dorsal view
<emphasis bold="true" pageId="0" pageNumber="65">2</emphasis>
lateral view)
<emphasis bold="true" pageId="0" pageNumber="65">3, 4</emphasis>
base of the elytron (
<emphasis bold="true" pageId="0" pageNumber="65">3</emphasis>
specimen with yellow spot
<emphasis bold="true" pageId="0" pageNumber="65">4</emphasis>
specimen without yellow spot)
<emphasis bold="true" pageId="0" pageNumber="65">5, 6</emphasis>
male genitalia (
<emphasis bold="true" pageId="0" pageNumber="65">5</emphasis>
dorsal view
<emphasis bold="true" pageId="0" pageNumber="65">6</emphasis>
lateral view).
</paragraph>
</caption>
<paragraph pageId="0" pageNumber="65">
<emphasis bold="true" italics="true" pageId="0" pageNumber="65">Thorax.</emphasis>
Pronotum transverse, smooth; black with greenish reflection, lateral margins with yellow stripe that extends to posterior margin near posterior corner (
<figureCitation captionStart="Figures 1–6" captionStartId="F1" captionText="Figures 1 - 6. Laccobius (Glyptolaccobius) motuoensis sp. nov. 1, 2 habitus (1 dorsal view 2 lateral view) 3, 4 base of the elytron (3 specimen with yellow spot 4 specimen without yellow spot) 5, 6 male genitalia (5 dorsal view 6 lateral view)." figureDoi="10.3897/zookeys.889.34690.figures1-6" httpUri="https://binary.pensoft.net/fig/356445" pageId="0" pageNumber="65" tableDoi="10.3897/zookeys.889.34690.figures1-6">Figs 1</figureCitation>
,
<figureCitation captionStart="Figures 1–6" captionStartId="F1" captionText="Figures 1 - 6. Laccobius (Glyptolaccobius) motuoensis sp. nov. 1, 2 habitus (1 dorsal view 2 lateral view) 3, 4 base of the elytron (3 specimen with yellow spot 4 specimen without yellow spot) 5, 6 male genitalia (5 dorsal view 6 lateral view)." figureDoi="10.3897/zookeys.889.34690.figures1-6" httpUri="https://binary.pensoft.net/fig/356445" pageId="0" pageNumber="65" tableDoi="10.3897/zookeys.889.34690.figures1-6">2</figureCitation>
), the yellow patch with posterior margin 2
<normalizedToken originalValue="×">x</normalizedToken>
as wide as anterior margin; punctures coarse and sparse, bearing decumbent yellowish setae; lateral stria fine, ending in posterior corner, but shortly continuous along anterior margin. Scutellar shield equilaterally triangular, black with few punctures. Prosternum black with dense decumbent pubescence, with a longitudinal keel medially (
<figureCitation captionStart="Figures 7–16" captionStartId="F2" captionText="Figures 7 - 16. Laccobius (Glyptolaccobius) motuoensis sp. nov. 7 head, ventral view 8 compound eye in lateral view 9 antenna 10 ventral view of thorax 11 punctures on elytral base 12 abdomen 13 mesothoracic leg 14 prothoracic leg 15 male protarsus 16 metathoracic leg." figureDoi="10.3897/zookeys.889.34690.figures7-16" httpUri="https://binary.pensoft.net/fig/356446" pageId="0" pageNumber="65" tableDoi="10.3897/zookeys.889.34690.figures7-16">Fig. 10</figureCitation>
). Mesoventrite with arrow-head-shaped elevation (
<figureCitation captionStart="Figures 7–16" captionStartId="F2" captionText="Figures 7 - 16. Laccobius (Glyptolaccobius) motuoensis sp. nov. 7 head, ventral view 8 compound eye in lateral view 9 antenna 10 ventral view of thorax 11 punctures on elytral base 12 abdomen 13 mesothoracic leg 14 prothoracic leg 15 male protarsus 16 metathoracic leg." figureDoi="10.3897/zookeys.889.34690.figures7-16" httpUri="https://binary.pensoft.net/fig/356446" pageId="0" pageNumber="65" tableDoi="10.3897/zookeys.889.34690.figures7-16">Fig. 10</figureCitation>
), the top of the elevation with a tuft of long setae; a longitudinal carina reaching to posterior margin of mesocoxae (
<figureCitation captionStart="Figures 7–16" captionStartId="F2" captionText="Figures 7 - 16. Laccobius (Glyptolaccobius) motuoensis sp. nov. 7 head, ventral view 8 compound eye in lateral view 9 antenna 10 ventral view of thorax 11 punctures on elytral base 12 abdomen 13 mesothoracic leg 14 prothoracic leg 15 male protarsus 16 metathoracic leg." figureDoi="10.3897/zookeys.889.34690.figures7-16" httpUri="https://binary.pensoft.net/fig/356446" pageId="0" pageNumber="65" tableDoi="10.3897/zookeys.889.34690.figures7-16">Fig. 10</figureCitation>
). Metaventrite pubescent with a very narrow longitudinal glabrous area medioposteriorly (
<figureCitation captionStart="Figures 7–16" captionStartId="F2" captionText="Figures 7 - 16. Laccobius (Glyptolaccobius) motuoensis sp. nov. 7 head, ventral view 8 compound eye in lateral view 9 antenna 10 ventral view of thorax 11 punctures on elytral base 12 abdomen 13 mesothoracic leg 14 prothoracic leg 15 male protarsus 16 metathoracic leg." figureDoi="10.3897/zookeys.889.34690.figures7-16" httpUri="https://binary.pensoft.net/fig/356446" pageId="0" pageNumber="65" tableDoi="10.3897/zookeys.889.34690.figures7-16">Fig. 10</figureCitation>
). Elytra smooth, slightly elongate, ca. 1.1
<normalizedToken originalValue="×">x</normalizedToken>
as long as wide, dark brown with wide lateral yellow margin that always narrower than posterior margin of pronotal lateral yellow margin (
<figureCitation captionStart="Figures 1–6" captionStartId="F1" captionText="Figures 1 - 6. Laccobius (Glyptolaccobius) motuoensis sp. nov. 1, 2 habitus (1 dorsal view 2 lateral view) 3, 4 base of the elytron (3 specimen with yellow spot 4 specimen without yellow spot) 5, 6 male genitalia (5 dorsal view 6 lateral view)." figureDoi="10.3897/zookeys.889.34690.figures1-6" httpUri="https://binary.pensoft.net/fig/356445" pageId="0" pageNumber="65" tableDoi="10.3897/zookeys.889.34690.figures1-6">Figs 1</figureCitation>
,
<figureCitation captionStart="Figures 1–6" captionStartId="F1" captionText="Figures 1 - 6. Laccobius (Glyptolaccobius) motuoensis sp. nov. 1, 2 habitus (1 dorsal view 2 lateral view) 3, 4 base of the elytron (3 specimen with yellow spot 4 specimen without yellow spot) 5, 6 male genitalia (5 dorsal view 6 lateral view)." figureDoi="10.3897/zookeys.889.34690.figures1-6" httpUri="https://binary.pensoft.net/fig/356445" pageId="0" pageNumber="65" tableDoi="10.3897/zookeys.889.34690.figures1-6">4</figureCitation>
); posterior half yellow, fused with lateral yellow margin (
<figureCitation captionStart="Figures 1–6" captionStartId="F1" captionText="Figures 1 - 6. Laccobius (Glyptolaccobius) motuoensis sp. nov. 1, 2 habitus (1 dorsal view 2 lateral view) 3, 4 base of the elytron (3 specimen with yellow spot 4 specimen without yellow spot) 5, 6 male genitalia (5 dorsal view 6 lateral view)." figureDoi="10.3897/zookeys.889.34690.figures1-6" httpUri="https://binary.pensoft.net/fig/356445" pageId="0" pageNumber="65" tableDoi="10.3897/zookeys.889.34690.figures1-6">Figs 1</figureCitation>
,
<figureCitation captionStart="Figures 1–6" captionStartId="F1" captionText="Figures 1 - 6. Laccobius (Glyptolaccobius) motuoensis sp. nov. 1, 2 habitus (1 dorsal view 2 lateral view) 3, 4 base of the elytron (3 specimen with yellow spot 4 specimen without yellow spot) 5, 6 male genitalia (5 dorsal view 6 lateral view)." figureDoi="10.3897/zookeys.889.34690.figures1-6" httpUri="https://binary.pensoft.net/fig/356445" pageId="0" pageNumber="65" tableDoi="10.3897/zookeys.889.34690.figures1-6">2</figureCitation>
); base of elytra with a pair of distinct pale yellow spots ca. at mid width (
<figureCitation captionStart="Figures 1–6" captionStartId="F1" captionText="Figures 1 - 6. Laccobius (Glyptolaccobius) motuoensis sp. nov. 1, 2 habitus (1 dorsal view 2 lateral view) 3, 4 base of the elytron (3 specimen with yellow spot 4 specimen without yellow spot) 5, 6 male genitalia (5 dorsal view 6 lateral view)." figureDoi="10.3897/zookeys.889.34690.figures1-6" httpUri="https://binary.pensoft.net/fig/356445" pageId="0" pageNumber="65" tableDoi="10.3897/zookeys.889.34690.figures1-6">Figs 1</figureCitation>
,
<figureCitation captionStart="Figures 1–6" captionStartId="F1" captionText="Figures 1 - 6. Laccobius (Glyptolaccobius) motuoensis sp. nov. 1, 2 habitus (1 dorsal view 2 lateral view) 3, 4 base of the elytron (3 specimen with yellow spot 4 specimen without yellow spot) 5, 6 male genitalia (5 dorsal view 6 lateral view)." figureDoi="10.3897/zookeys.889.34690.figures1-6" httpUri="https://binary.pensoft.net/fig/356445" pageId="0" pageNumber="65" tableDoi="10.3897/zookeys.889.34690.figures1-6">3</figureCitation>
), sometimes elytra almost black on disc, and the basal yellow spot absent or unclear (
<figureCitation captionStart="Figures 1–6" captionStartId="F1" captionText="Figures 1 - 6. Laccobius (Glyptolaccobius) motuoensis sp. nov. 1, 2 habitus (1 dorsal view 2 lateral view) 3, 4 base of the elytron (3 specimen with yellow spot 4 specimen without yellow spot) 5, 6 male genitalia (5 dorsal view 6 lateral view)." figureDoi="10.3897/zookeys.889.34690.figures1-6" httpUri="https://binary.pensoft.net/fig/356445" pageId="0" pageNumber="65" tableDoi="10.3897/zookeys.889.34690.figures1-6">Fig. 4</figureCitation>
); primary series punctures not sulciform; primary series of punctures strong and coarse, regularly arranged; secondary ones with small and scarce punctures (
<figureCitation captionStart="Figures 7–16" captionStartId="F2" captionText="Figures 7 - 16. Laccobius (Glyptolaccobius) motuoensis sp. nov. 7 head, ventral view 8 compound eye in lateral view 9 antenna 10 ventral view of thorax 11 punctures on elytral base 12 abdomen 13 mesothoracic leg 14 prothoracic leg 15 male protarsus 16 metathoracic leg." figureDoi="10.3897/zookeys.889.34690.figures7-16" httpUri="https://binary.pensoft.net/fig/356446" pageId="0" pageNumber="65" tableDoi="10.3897/zookeys.889.34690.figures7-16">Fig. 11</figureCitation>
). Epipleura oblique, ending at level of metafemora.
</paragraph>
<paragraph pageId="0" pageNumber="65">
<emphasis bold="true" italics="true" pageId="0" pageNumber="65">Legs.</emphasis>
Yellow brown. Trochanters pubescent; profemora with anterior surface densely pubescent basally, with tibial grooves; protibiae smooth, bearing stiff setae (
<figureCitation captionStart="Figures 7–16" captionStartId="F2" captionText="Figures 7 - 16. Laccobius (Glyptolaccobius) motuoensis sp. nov. 7 head, ventral view 8 compound eye in lateral view 9 antenna 10 ventral view of thorax 11 punctures on elytral base 12 abdomen 13 mesothoracic leg 14 prothoracic leg 15 male protarsus 16 metathoracic leg." figureDoi="10.3897/zookeys.889.34690.figures7-16" httpUri="https://binary.pensoft.net/fig/356446" pageId="0" pageNumber="65" tableDoi="10.3897/zookeys.889.34690.figures7-16">Fig. 14</figureCitation>
). Mesotrochanters and mesofemora smooth (
<figureCitation captionStart="Figures 7–16" captionStartId="F2" captionText="Figures 7 - 16. Laccobius (Glyptolaccobius) motuoensis sp. nov. 7 head, ventral view 8 compound eye in lateral view 9 antenna 10 ventral view of thorax 11 punctures on elytral base 12 abdomen 13 mesothoracic leg 14 prothoracic leg 15 male protarsus 16 metathoracic leg." figureDoi="10.3897/zookeys.889.34690.figures7-16" httpUri="https://binary.pensoft.net/fig/356446" pageId="0" pageNumber="65" tableDoi="10.3897/zookeys.889.34690.figures7-16">Fig. 13</figureCitation>
), the latter with tibial grooves; mesotibiae with longitudinal rows of stiff setae (
<figureCitation captionStart="Figures 7–16" captionStartId="F2" captionText="Figures 7 - 16. Laccobius (Glyptolaccobius) motuoensis sp. nov. 7 head, ventral view 8 compound eye in lateral view 9 antenna 10 ventral view of thorax 11 punctures on elytral base 12 abdomen 13 mesothoracic leg 14 prothoracic leg 15 male protarsus 16 metathoracic leg." figureDoi="10.3897/zookeys.889.34690.figures7-16" httpUri="https://binary.pensoft.net/fig/356446" pageId="0" pageNumber="65" tableDoi="10.3897/zookeys.889.34690.figures7-16">Fig. 13</figureCitation>
). Metatrochanters and metafemora smooth (
<figureCitation captionStart="Figures 7–16" captionStartId="F2" captionText="Figures 7 - 16. Laccobius (Glyptolaccobius) motuoensis sp. nov. 7 head, ventral view 8 compound eye in lateral view 9 antenna 10 ventral view of thorax 11 punctures on elytral base 12 abdomen 13 mesothoracic leg 14 prothoracic leg 15 male protarsus 16 metathoracic leg." figureDoi="10.3897/zookeys.889.34690.figures7-16" httpUri="https://binary.pensoft.net/fig/356446" pageId="0" pageNumber="65" tableDoi="10.3897/zookeys.889.34690.figures7-16">Fig. 13</figureCitation>
), the latter with tibial grooves; metatibiae with longitudinal rows of stiff setae, long spur as long as first and second tarsomeres combined (
<figureCitation captionStart="Figures 7–16" captionStartId="F2" captionText="Figures 7 - 16. Laccobius (Glyptolaccobius) motuoensis sp. nov. 7 head, ventral view 8 compound eye in lateral view 9 antenna 10 ventral view of thorax 11 punctures on elytral base 12 abdomen 13 mesothoracic leg 14 prothoracic leg 15 male protarsus 16 metathoracic leg." figureDoi="10.3897/zookeys.889.34690.figures7-16" httpUri="https://binary.pensoft.net/fig/356446" pageId="0" pageNumber="65" tableDoi="10.3897/zookeys.889.34690.figures7-16">Fig. 16</figureCitation>
). Tarsal natatory setae nearly absent. Legs with five tarsomeres; second metatarsomere ca. 1.4
<normalizedToken originalValue="×">x</normalizedToken>
as long as metatarsomere 3 (
<figureCitation captionStart="Figures 7–16" captionStartId="F2" captionText="Figures 7 - 16. Laccobius (Glyptolaccobius) motuoensis sp. nov. 7 head, ventral view 8 compound eye in lateral view 9 antenna 10 ventral view of thorax 11 punctures on elytral base 12 abdomen 13 mesothoracic leg 14 prothoracic leg 15 male protarsus 16 metathoracic leg." figureDoi="10.3897/zookeys.889.34690.figures7-16" httpUri="https://binary.pensoft.net/fig/356446" pageId="0" pageNumber="65" tableDoi="10.3897/zookeys.889.34690.figures7-16">Fig. 16</figureCitation>
).
</paragraph>
<caption doi="10.3897/zookeys.889.34690.figures7-16" httpUri="https://binary.pensoft.net/fig/356446" pageId="0" pageNumber="65" start="Figures 7–16" startId="F2">
<paragraph pageId="0" pageNumber="65">
<emphasis bold="true" pageId="0" pageNumber="65">Figures 7-16.</emphasis>
<taxonomicName class="Insecta" family="Hydrophilidae" genus="Laccobius" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Laccobius (Glyptolaccobius) motuoensis" order="Coleoptera" pageId="0" pageNumber="65" phylum="Arthropoda" rank="species" species="motuoensis" subGenus="Glyptolaccobius">Laccobius (Glyptolaccobius) motuoensis</taxonomicName>
sp. nov.
<emphasis bold="true" pageId="0" pageNumber="65">7</emphasis>
head, ventral view
<emphasis bold="true" pageId="0" pageNumber="65">8</emphasis>
compound eye in lateral view
<emphasis bold="true" pageId="0" pageNumber="65">9</emphasis>
antenna
<emphasis bold="true" pageId="0" pageNumber="65">10</emphasis>
ventral view of thorax
<emphasis bold="true" pageId="0" pageNumber="65">11</emphasis>
punctures on elytral base
<emphasis bold="true" pageId="0" pageNumber="65">12</emphasis>
abdomen
<emphasis bold="true" pageId="0" pageNumber="65">13</emphasis>
mesothoracic leg
<emphasis bold="true" pageId="0" pageNumber="65">14</emphasis>
prothoracic leg
<emphasis bold="true" pageId="0" pageNumber="65">15</emphasis>
male protarsus
<emphasis bold="true" pageId="0" pageNumber="65">16</emphasis>
metathoracic leg.
</paragraph>
</caption>
<paragraph pageId="0" pageNumber="65">
<emphasis bold="true" italics="true" pageId="0" pageNumber="65">Abdomen.</emphasis>
Ventrites 1-5 smooth, without microsculpture, sparsely pubescent; each ventrite with long setae posteriorly, ventrite 6 densely pubescent (
<figureCitation captionStart="Figures 7–16" captionStartId="F2" captionText="Figures 7 - 16. Laccobius (Glyptolaccobius) motuoensis sp. nov. 7 head, ventral view 8 compound eye in lateral view 9 antenna 10 ventral view of thorax 11 punctures on elytral base 12 abdomen 13 mesothoracic leg 14 prothoracic leg 15 male protarsus 16 metathoracic leg." figureDoi="10.3897/zookeys.889.34690.figures7-16" httpUri="https://binary.pensoft.net/fig/356446" pageId="0" pageNumber="65" tableDoi="10.3897/zookeys.889.34690.figures7-16">Fig. 12</figureCitation>
).
</paragraph>
<paragraph pageId="0" pageNumber="65">
<emphasis bold="true" italics="true" pageId="0" pageNumber="65">Male.</emphasis>
Second protarsomere dilated, with a clasping structure that contains 7 lobes (
<figureCitation captionStart="Figures 7–16" captionStartId="F2" captionText="Figures 7 - 16. Laccobius (Glyptolaccobius) motuoensis sp. nov. 7 head, ventral view 8 compound eye in lateral view 9 antenna 10 ventral view of thorax 11 punctures on elytral base 12 abdomen 13 mesothoracic leg 14 prothoracic leg 15 male protarsus 16 metathoracic leg." figureDoi="10.3897/zookeys.889.34690.figures7-16" httpUri="https://binary.pensoft.net/fig/356446" pageId="0" pageNumber="65" tableDoi="10.3897/zookeys.889.34690.figures7-16">Fig. 15</figureCitation>
).
</paragraph>
<paragraph pageId="0" pageNumber="65">
<emphasis bold="true" italics="true" pageId="0" pageNumber="65">Aedeagus.</emphasis>
(
<figureCitation captionStart="Figures 1–6" captionStartId="F1" captionText="Figures 1 - 6. Laccobius (Glyptolaccobius) motuoensis sp. nov. 1, 2 habitus (1 dorsal view 2 lateral view) 3, 4 base of the elytron (3 specimen with yellow spot 4 specimen without yellow spot) 5, 6 male genitalia (5 dorsal view 6 lateral view)." figureDoi="10.3897/zookeys.889.34690.figures1-6" httpUri="https://binary.pensoft.net/fig/356445" pageId="0" pageNumber="65" tableDoi="10.3897/zookeys.889.34690.figures1-6">Figs 5</figureCitation>
,
<figureCitation captionStart="Figures 1–6" captionStartId="F1" captionText="Figures 1 - 6. Laccobius (Glyptolaccobius) motuoensis sp. nov. 1, 2 habitus (1 dorsal view 2 lateral view) 3, 4 base of the elytron (3 specimen with yellow spot 4 specimen without yellow spot) 5, 6 male genitalia (5 dorsal view 6 lateral view)." figureDoi="10.3897/zookeys.889.34690.figures1-6" httpUri="https://binary.pensoft.net/fig/356445" pageId="0" pageNumber="65" tableDoi="10.3897/zookeys.889.34690.figures1-6">6</figureCitation>
). Total length 0.42 mm. parameres nearly 1.6
<normalizedToken originalValue="×">x</normalizedToken>
as long as phallobase. Phallobase 1.3
<normalizedToken originalValue="×">x</normalizedToken>
as long as wide. Median lobe as long as parameres, broad basally, gradually narrowed from base to mid length and then slightly widened to apex; with a series of backward directed setae subapically, apex rounded. Parameres subrectangular apically, almost as wide as medial lobe apically.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="65" type="differential diagnosis">
<paragraph pageId="0" pageNumber="65">Differential diagnosis.</paragraph>
<paragraph pageId="0" pageNumber="65">
This species closely resembles
<taxonomicName lsidName="L. yunnanensis" pageId="0" pageNumber="65" rank="species" species="yunnanensis">
<emphasis italics="true" pageId="0" pageNumber="65">L. yunnanensis</emphasis>
</taxonomicName>
Gentili, 2003 and
<taxonomicName lsidName="L. sipeki" pageId="0" pageNumber="65" rank="species" species="sipeki">
<emphasis italics="true" pageId="0" pageNumber="65">L. sipeki</emphasis>
</taxonomicName>
Gentili &amp;
<normalizedToken originalValue="Fikáček">Fikacek</normalizedToken>
, 2009 in the genital morphology (including the series of long hairs on distal half of the median lobe) and the coloration of elytra having a dark base with small basal spots and widely pale apical portion. It can be distinguished from
<taxonomicName lsidName="L. yunnanensis" pageId="0" pageNumber="65" rank="species" species="yunnanensis">
<emphasis italics="true" pageId="0" pageNumber="65">L. yunnanensis</emphasis>
</taxonomicName>
by having an elytral series regular throughout (somewhat irregular at base in
<taxonomicName lsidName="L. yunnanensis" pageId="0" pageNumber="65" rank="species" species="yunnanensis">
<emphasis italics="true" pageId="0" pageNumber="65">L. yunnanensis</emphasis>
</taxonomicName>
), primary series of punctures distinctly stronger and coarser than secondary ones (with some punctures at least as large as those on primary series in
<taxonomicName lsidName="L. yunnanensis" pageId="0" pageNumber="65" rank="species" species="yunnanensis">
<emphasis italics="true" pageId="0" pageNumber="65">L. yunnanensis</emphasis>
</taxonomicName>
) and the median lobe ca. the same width in apical half (distinctly widened apically in
<taxonomicName lsidName="L. yunnanensis" pageId="0" pageNumber="65" rank="species" species="yunnanensis">
<emphasis italics="true" pageId="0" pageNumber="65">L. yunnanensis</emphasis>
</taxonomicName>
). It can be distinguished from
<taxonomicName lsidName="L. sipeki" pageId="0" pageNumber="65" rank="species" species="sipeki">
<emphasis italics="true" pageId="0" pageNumber="65">L. sipeki</emphasis>
</taxonomicName>
by the absence of the parasutural furrow (with distinct rather deep parasutural groove in
<taxonomicName lsidName="L. sipeki" pageId="0" pageNumber="65" rank="species" species="sipeki">
<emphasis italics="true" pageId="0" pageNumber="65">L. sipeki</emphasis>
</taxonomicName>
) and the apex of the median lobe reaching the level of parameral apices only (slightly overlapping parameral apices in
<taxonomicName lsidName="L. sipeki" pageId="0" pageNumber="65" rank="species" species="sipeki">
<emphasis italics="true" pageId="0" pageNumber="65">L. sipeki</emphasis>
</taxonomicName>
).
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="65" type="etymology">
<paragraph pageId="0" pageNumber="65">Etymology.</paragraph>
<paragraph pageId="0" pageNumber="65">This species is named after type locality.</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="65" type="distribution">
<paragraph pageId="0" pageNumber="65">Distribution.</paragraph>
<paragraph pageId="0" pageNumber="65">Only known from two close localities in the eastern Himalaya (Xizang, Motuo County).</paragraph>
</subSubSection>
</treatment>
</document>
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